180280 has 16 divisors (see below), whose sum is σ = 405720. Its totient is φ = 72096.

The previous prime is 180263. The next prime is 180281. The reversal of 180280 is 82081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214 + ... + 2293.

2¹⁸⁰²⁸⁰ is an apocalyptic number.

180280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180280 is an abundant number, since it is smaller than the sum of its proper divisors (225440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180280 is a wasteful number, since it uses less digits than its factorization.

180280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518 (or 4514 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 180280 is about 424.5939236494. The cubic root of 180280 is about 56.4914232419.

The spelling of 180280 in words is "one hundred eighty thousand, two hundred eighty".